Granted Patent
Utility
US 6,512,663 · App. 09/576,777
Electrostatic protection device and electrostatic protection circuit
Inventor:
Mototsugu Okushima
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: May 23, 2000
Inventor
Mototsugu Okushima
Assignee (at issue)
NEC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.